Controller with biometric sensor pattern

Abstract

In one example, a display unit comprises a display panel that is configured to display digital images. The display unit further comprises an at least partially transparent protective layer that is arranged above the display panel. The display unit further comprises a controller that is communicatively attached onto an upper surface of the display panel. A biometric sensor pattern is integrated in the controller, and the controller is configured to control the biometric sensor pattern.

The invention claimed is: 
     
       1. A display unit, comprising:
 a display panel configured to display digital images; 
 an at least partially transparent protective layer arranged above the display panel; 
 a controller attached onto an upper surface of the display panel; 
 a touch screen layer arranged aside the controller and arranged above the display panel such the touch screen layer is between the display panel and the at least partially transparent protective layer; and 
 a polarizer and a color filter arranged between the at least partially transparent protective layer and the display panel, at least one of the polarizer and the color filter being arranged aside the controller; and 
 wherein a biometric sensor pattern is integrated on an upper surface of the controller and the controller is configured to control the biometric sensor pattern, the display panel, and the touch screen layer. 
 
     
     
       2. The display unit as claimed in  claim 1 , wherein the controller is attached to the lower surface of the at least partially transparent protective layer via an adhesive layer arranged between the lower surface of the at least partially transparent protective layer and an upper surface of the controller. 
     
     
       3. The display unit as claimed in  claim 1 , further comprising an optically clear layer arranged at least between the lower surface of the at least partially transparent protective layer and an upper surface of the controller. 
     
     
       4. The display unit as claimed in  claim 1 , wherein a lower surface of the at least partially transparent protective layer completely covers an upper surface of the biometric sensor pattern and the upper surface of the display panel completely covers a lower surface of the controller such that the biometric sensor and the controller are arranged between the display panel and the at least partially transparent protective layer. 
     
     
       5. The display unit as claimed in  claim 4 , wherein the polarizer and the color filter are arranged aside the controller. 
     
     
       6. The display unit as claimed in  claim 5 , wherein the polarizer and the color filter are between the at least partially transparent protective layer and the touch screen layer. 
     
     
       7. The display unit as claimed in  claim 1 , wherein the controller is communicatively attached onto the upper surface of the display panel via one or more of: a conductive adhesive layer arranged between the upper surface of the display panel and a lower surface of the controller, and multiple conductive bonding points arranged on the lower surface of the controller. 
     
     
       8. The display unit as claimed in  claim 1 , wherein the controller and the biometric sensor pattern comprise semiconductor material. 
     
     
       9. The display unit as claimed in  claim 1 , wherein the display unit comprises one or more of: a liquid-crystal display unit, an organic light-emitting diode display unit, and an electrophoretic ink display unit. 
     
     
       10. An electronic device comprising a printed circuit board and a display unit arranged at least partly above the printed circuit board, the display unit comprising:
 an outer surface; 
 a display panel configured to display digital images; 
 an at least partially transparent protective layer arranged above the display panel; 
 a controller directly attached onto an upper surface of the display panel; 
 a touch screen layer arranged aside the controller and arranged above the display panel such the touch screen layer is between the display panel and the at least partially transparent protective layer; and 
 a polarizer and a color filter arranged between the at least partially transparent protective layer and the display panel, at least one of the polarizer and the color filter being arranged aside the controller; and 
 wherein a biometric sensor pattern is integrated on an upper surface of the controller such that a top surface of the biometric sensor pattern and a top surface of the at least partially transparent protective layer are directly on the outer surface and on a same side of the outer surface, and a second surface of the controller is attached to a surface of the display panel, and the controller is configured to control the biometric sensor pattern, the display panel, and the touch screen layer. 
 
     
     
       11. The electronic device as claimed in  claim 10 , wherein the biometric sensor pattern and the at least partially transparent protective layer form the outer surface. 
     
     
       12. The electronic device as claimed in  claim 10 , wherein the controller is communicatively attached onto the upper surface of the display panel via at least one of: a conductive adhesive layer arranged between the upper surface of the display panel and a lower surface of the controller, and multiple conductive bonding points arranged on the lower surface of the controller. 
     
     
       13. The electronic device as claimed in  claim 10 , wherein the controller and the biometric sensor pattern comprise semiconductor material. 
     
     
       14. A display unit, comprising:
 a display panel configured to display digital images; 
 an at least partially transparent protective layer arranged above the display panel; 
 a controller directly attached onto an upper surface of the display panel wherein a lower surface of the at least partially transparent protective layer is configured to form a recess to partly receive the controller; 
 a touch screen layer arranged aside the controller and arranged above the display panel such the touch screen layer is between the display panel and the at least partially transparent protective layer; and 
 a polarizer and a color filter arranged between the at least partially transparent protective layer and the display panel, at least one of the polarizer and the color filer being arranged aside the controller; and 
 wherein a biometric sensor pattern is integrated on an upper surface of the controller such that a top surface of the biometric sensor pattern is within the recess, and the controller is configured to control the biometric sensor pattern, the display panel, and the touch screen layer. 
 
     
     
       15. The display unit as claimed in  claim 14 , wherein the biometric sensor pattern comprises at least one of a fingerprint sensor pattern and a pulse sensor pattern. 
     
     
       16. The display unit as claimed in  claim 14 , wherein a lower surface of the at least partially transparent protective layer covers an upper surface of the biometric sensor pattern and the upper surface of the display panel covers a lower surface of the controller such that the biometric sensor and the controller are arranged between the display panel and the at least partially transparent protective layer. 
     
     
       17. The display unit as claimed in  claim 14 , wherein the controller is communicatively attached onto the upper surface of the display panel via one or more of: a conductive adhesive layer arranged between the upper surface of the display panel and a lower surface of the controller, and multiple conductive bonding points arranged on the lower surface of the controller. 
     
     
       18. The display unit as claimed in  claim 14 , wherein the controller and the biometric sensor pattern comprise semiconductor material. 
     
     
       19. The display unit as claimed in  claim 14 , wherein the display unit comprises one or more of: a liquid-crystal display unit, an organic light-emitting diode display unit, and an electrophoretic ink display unit. 
     
     
       20. The display unit as claimed in  claim 14 , further comprising an optically clear layer arranged between the at least partially transparent protective layer and the display panel.